Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Rat IgG2A Clone # 431211
View all Reg1A/B Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human Reg1A 
Gln23-Asn166
Accession # P05451

Specificity

Detects human Reg1A in ELISAs. 100% cross-reactivity with recombinant human (rh) Reg1B in Western blot is observed. In direct ELISAs no cross-reactivity with rhReg3A, recombinant mouse Reg1, or recombinant rat Reg1A is observed.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2A

Scientific Data Images for Human Reg1A/B Antibody

Reg1A antibody in Human Pancreas by Immunohistochemistry (IHC-P).

Reg1A in Human Pancreas.

Reg1A was detected in immersion fixed paraffin-embedded sections of human pancreas using Rat Anti-Human Reg1A Monoclonal Antibody (Catalog # MAB49371) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Rat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS017) and counterstained with hematoxylin (blue). Specific staining was localized to exocrine cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Applications for Human Reg1A/B Antibody

Application
Recommended Usage

Immunohistochemistry

8-25 µg/mL
Sample: Immersion fixed paraffin-embedded sections of human pancreas

Western Blot

1 µg/mL
Sample: Recombinant Human Reg1A

Reviewed Applications

Read 2 reviews rated 4.5 using MAB49371 in the following applications:

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Reg1A/B

Reg1A, also known as PTP, PSP, and lithostathine, is a member of the Reg family of secreted proteins with a C-type lectin domain. Due to variable glycosylation, pancreatic Reg1A exists as multiple species of 16‑18 kDa. Reg1A promotes the maintenance and growth of pancreatic islet beta -cells and intestinal villi. It is up‑regulated in pancreatitis and some carcinomas. Reg1A is an antigenic target in autoimmune diabetes. Human Reg1A shares 65%‑68% aa sequence identity with mouse and rat Reg1A.

Reg1B, also known as secretory pancreatic stone protein 2 and lithostathine 1 beta, is a type I subclass member of the Reg family, which comprises secreted proteins with a C-type lectin domain. Reg1B is highly related to Reg1A, a protein that is implicated in islet cell regeneration and diabetogenesis.

Long Name

Regenerating Islet-derived 1A/B

UniProt

P05451

Additional Reg1A/B Products

Product Documents for Human Reg1A/B Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human Reg1A/B Antibody

For research use only

Related Research Areas

C-type Lectin Family
Diabetes

Citations for Human Reg1A/B Antibody

Customer Reviews for Human Reg1A/B Antibody (2)

4.5 out of 5
2 Customer Ratings
5 Stars
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  • Human Reg1A /B Antibody
    Name: Anonymous
    Application: Immunohistochemistry
    Sample Tested: Pancreas tissue
    Species: Human
    Verified Customer | Posted 05/17/2022
    Human Reg1A/B Antibody MAB49371
  • Human Reg1A Antibody
    Name: Anonymous
    Application: ELISA
    Sample Tested: Serum and Plasma
    Species: Human
    Verified Customer | Posted 06/09/2020
    We used this antibody in an in-house ELISA along with pAb (AF4937) and protein standard to quantify Reg1 alpha in human serum and plasma. This combination detected Reg1alpha in human serum and plasma.
    Human Reg1A/B Antibody MAB49371

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